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Nathorn Chaiyakunapruk 2023 Headshot

Nathorn (NUI) Chaiyakunapruk, PharmD, PhD

Academic Information

Departments College of Pharmacy , Professor - Pharmacotherapy

Academic Office Information


Research Interests

  • Health Technology Assessment
  • Health Economics: economic evaluation and economic burden
  • Health Outcomes Research using real-world databases
  • Evidence Synthesis: systematic review and classical/network meta-analysis, scoping review and evidence gap map, umbrella review
  • Application of research method in various disease areas or global health issues e.g. vaccine, Alzheimer’s disease, gastrointestinal disorders, Nephrology, dermatology, mental health, and complementary and alternative medicines

Nathorn (Nui) Chaiyakunapruk is a Professor in the Department of Pharmacotherapy at the University of Utah College of Pharmacy in Salt Lake City. He earned a Doctorate of Pharmacy (PharmD) from the University of Wisconsin-Madison, and his PhD in Pharmaceutical Outcomes Research and Policy Program from the University of Washington.

His expertise is in Health Technology Assessment and Global Health. He has applied several HTA methodologies (Health Economics, Real World Data Analysis, and Evidence Synthesis: systematic review and classical/network meta-analysis/ Umbrella review) to support national and global policy, especially his contributions to the World Health Organization. His research is in broad areas ranging from infectious diseases, non-communicable diseases, community pharmacy, immunization program, complementary and alternative medicines, pharmacogenomics, and smoking cessation. His current projects have been focused on health equity and global health. He is working on developing an approach to incorporate social determinants of health as part of infectious disease modeling to support policy decision making and implementation process. He also works on estimating global economic burden associated with Herpes Simplex Virus infection. His research work was also focused on methodological research to advance evidence synthesis method in applying to health economic evaluation, umbrella review, and network meta-analysis in health service research. Other works include measurement of value of innovation in oncology, estimating financial burden associated with Neglected Tropical Disease, landscape analysis of equity consideration in HTA in Asia, implementations research in anticoagulation and immunization program.

His research has been funded through grants from the World Health Organization, Centers for Disease Control and Prevention, Wellcome Trust, US National Human Genome Research Institute, and the National Institute for Health Research UK. Dr. Chaiyakunapruk has an H-index of 56 and is an author of more than 300 international publications in peer-reviewed journals (i.e., The Lancet, Annals of Internal Medicine, Cochrane Database Systematic Review, Chest, Clinical Infectious Disease, JAMA network open, Dermatology, Value in Health, Pharmacoeconomics, and Pharmacoepidemiology and Drug Safety) and five book chapters. Dr. Chaiyakunapruk also serves as a co-editor of Value in Health Regional Issue, Journal of Pharmaceutical Policy and Practice (JoPPP),  and Journal of Medical Economics.

Nui has been very active at national, regional, and international levels. He was a co-author of CHEERS 2022 and WHO guide for standardization of economic evaluations of immunization programmes (2019). He is currently a member of RSV Vaccine Technical Advisory Group (TAG) of WHO and a member of Prioritization Advisory Committee (PAC) for Research & Development Blueprint – World Health Emergencies (WHE) under WHO.

He was a founder of the ISPOR Asia Consortium (International Society of Pharmacoeconomics and Outcomes Research), ISPOR Thailand Chapter, and The Asia Pacific Evidence-based Medicine Network. He served as the education chair and publication chair of the ISPOR Asia Consortium. He was an adviser of the National Essential Drug List Selection Subcommittee of Thailand and a member of the Health Economic Working Group of Benefit Package Selection Committee of National Health Security Office, Thailand. He is also a co-author of Thai Health Technology Assessment Guideline. He has also been working as a consultant for WHO in vaccine-related health economics, malaria control, and pharmaceutical economics.



  • PCTH 7890 - Research Seminar I, University of Utah (Coursemaster)
  • PHARM 7566 - Systematic Review and Meta-analysis, University of Utah (Co-coursemaster with Dr. Joanne Lafleur)
  • PHARM 7854 - Project Practicum III, University of Utah (Coursemaster)
  • PHS 6865 - Global Health Policy, University of Utah (Coursemaster)



  • Equity Diversity Inclusion Committee
  • Pharm.D. Projects Committee
  • Research Strategy Committee


  • Graduate Program Committee

Health Sciences Campus

  • Master of Science in Clinical Investigation (MSCI) Curriculum Committee
  • Global Health Steering Committee
  • Health Economics Core Member under Utah Clinical and Translational Science Institute (CTSI)
  • Associate Member of the Cancer Control and Population Sciences (CCPS) research program at Huntsman Cancer Institute (HCI)


  • Member of the Consolidated Health Economic Evaluation Reporting Standards (CHEERS) II Task Force. 
  • Member of ISPOR Special Interest Group (SIG) in Health Equity 
  • Deputy Editor of Value in Health Regional Issue. 
  • Member of the Strategic Technical Advisory Committee (STAC) and the Board Member of The Asia Pacific Observatory on Health Systems and Policies (APO) under the WHO 


  • 2022    The Senior Class (P4) Distinguished Teacher for the class of 2022 
  • 2019    The outstanding research award 2019, National Research Council of Thailand (NRCT) for a research entitled “Comparative efficacy and safety of Reperfusion Therapy with Fibrinolytic Agents in Patients with ST-segment Elevation Myocardial Infarction: A Systematic Review and Network Meta-analysis”, published in Lancet
  • 2017    (PI: Nathorn Chaiyakunapruk)   
  • 2018    The best researcher of Pharmacy School in 2018, Naresuan University, Thailand
  • 2014    The Outstanding Presentation Award 2014: Society of Medical Decision Making (SMDM) Asia-Pacific Conference, Singapore January 6-8, 2014
  • 2015     PVC (Pro-Vice Chancellor) Research Award 2015: the outstanding research excellence award, Monash University Malaysia
  • 2012     Distinguished Research Award 2012, National Research Council of Thailand (NRCT) for a research entitled “Relationship between genetic polymorphism of HLA gene and risk of severe cutaneous reactions caused by anticonvulsant and uric acid lowering agents”: (PI: Professor Dr.Wichittra Tassaneeyakul, Khonkaen University)
  • 2010    Distinguished Research Award in Community Pharmacy 2010, Community Pharmacy Association 
  • 2010    Distinguished Research Award in Health Sciences 2010: Naresuan University
  • 2010    Nagai Research Award Thailand 2010 in Pharmacy Practice, by Nagai Research Foundation
  • 2009    A recipient of a Royal Golden Jubilee PhD Scholarships, Thailand Research Fund
  • 2008    Distinguished Research Award 2008: the most cited research, Naresuan University
  • 2008    Distinguished Research Award 2008: Routine to Research Award, Health System Research Institute 2008   A recipient of a Royal Golden Jubilee PhD Scholarships, Thailand Research Fund
  • 2007    Distinguished Research Award 2007: the most cited research, Naresuan University
  • 2007    Nagai Research Award Thailand 2007 in Pharmacy Practice, by Nagai Research Foundation
  • 2007    A recipient of a Royal Golden Jubilee PhD Scholarships, Thailand Research Fund
  • 2006    Distinguished Research Award 2006: the most outstanding researcher, Naresuan University
  • 2006    Distinguished Research Award 2006: the most cited research, Naresuan University
  • 2006    Nagai Research Award Thailand 2006 in Pharmacy Practice, by Nagai Research Foundation
  • 2010    The Excellent Poster Paper Award 2010: The 5th Asian Conference Pharmacoepidemiology (ACPE), Tokyo, Japan
  • 2009    The Excellent Poster Award 2009 (The jointed Annual Scientific Meeting of Department of Medical Sciences and the 10th Annual National Cancer Institute, 2-4 November 2009, Bangkok)
  • 2006    The Excellent Research Award from the Lower Part of Northern Region Conference, 2006
  • 2001    William Rutala Research Award 2001, by Association for Professionals in Infection Control and Epidemiology


FAR webpage

Research Lab

Education History

Doctoral Training University of Washington
University of Wisconsin
Undergraduate Chulalongkorn University
BS, Pharmaceutical Science

Selected Publications

Journal Article

  1. Tasai S, Kumpat N, Dilokthornsakul P, Chaiyakunapruk N, Saini B, Dhippayom T. Impact of Medication Reviews Delivered by Community Pharmacist to Elderly Patients on Polypharmacy: A Meta-analysis of Randomized Controlled Trials. J Patient Saf. 2021 Jun 1;17(4):290-298. doi: 10.1097/PTS.0000000000000599. PubMed PMID: 30920431.

  2. Sakunrag I, Danwilai K, Dilokthornsakul P, Chaiyakunapruk N, Dhippayom T. Clinical Outcomes of Telephone Service for Patients on Warfarin: A Systematic Review and Meta-Analysis. Telemed J E Health. 2020 Dec;26(12):1507-1521. doi: 10.1089/tmj.2019.0268. Epub 2020 Mar 26. PubMed PMID: 32213010.

  3. Chongmelaxme B, Chaiyakunapruk N, Dilokthornsakul P. Association between adherence and severe asthma exacerbation: A systematic review and meta-analysis. J Am Pharm Assoc (2003). 2020 Sep-Oct;60(5):669-685.e2. doi: 10.1016/j.japh.2020.02.010. Epub 2020 Mar 17. PubMed PMID: 32192946.

    More Selected Publications